module.exports={
    
    //设置cookie
    setCookie(c_name, c_pwd,c_type, exdays) {
        var exdate = new Date(); //获取时间
        exdate.setTime(exdate.getTime() + 24 * 60 * 60 * 1000 * exdays); //保存的天数
        //字符串拼接cookie
        window.document.cookie = "userName" + "=" + c_name + ";path=/;expires=" + exdate.toGMTString();
        window.document.cookie = "userPwd" + "=" + c_pwd + ";path=/;expires=" + exdate.toGMTString();
        window.document.cookie = "userType" + "=" + c_type + ";path=/;expires=" + exdate.toGMTString();
    },
    //读取cookie
    getCookie: function(that) {
        if (document.cookie.length > 0) {
            var arr = document.cookie.split('; '); //这里显示的格式需要切割一下自己可输出看下
            for (var i = 0; i < arr.length; i++) {
                var arr2 = arr[i].split('='); //再次切割
                //判断查找相对应的值
                if (arr2[0] == 'userName') {
                    that.username = arr2[1]; //保存到保存数据的地方
                } else if (arr2[0] == 'userPwd') {
                    that.password = arr2[1];
                }
            }
        }
    },
    //读取单项cookie
    getCookieByStr: function(str) {
        if (document.cookie.length > 0) {
            var arr = document.cookie.split('; '); //这里显示的格式需要切割一下自己可输出看下
            for (var i = 0; i < arr.length; i++) {
                var arr2 = arr[i].split('='); //再次切割
                //判断查找相对应的值
                if (arr2[0] == str) {
                    return arr2[1]; 
                }
            }
        }
    },
    //清除cookie
    clearCookie: function() {
        this.setCookie("", "", -1); //修改2值都为空，天数为负1天就好了
    }
}